Question about Sony KP-57HW40 57" Rear Projection Television

1 Answer

Picture is turning blue .If you shut TV off and turn it back on,it will be good for about 30 seconds. When you turn TV on ,it will take an hour before you can see anything. Purchased Dec. 02. First time with any problems.

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  • cklein58 Sep 15, 2010

    I thank you for the information. After checking into this further I found out they do not make tubes anymore so I will have to send it in to get rebuilt. Thanks again for the expert answer. Mark

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  • Sony Master
  • 11,800 Answers

You have a problem with the CRT's - either they are used and need to be replaced (most likely on a tv of that age) or the video final module is failing. 
Open the tv, set it on an blank channel and check the voltages on the CRT: if the voltages are steady and equal then the tubes are worn out; if they are different from each other and variable then the video final module has failed (or is about to) - fix it.
Either way it's gonna cost you around $350.

Posted on Sep 11, 2010

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It sounds like the TV may have a shorted CRT, picture tube, but let's trouble shoot:
1. Unplug TV from wall.
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pyrosp4,

it maybe you blue crt (picture tube). mine turn blue and then shuts off. i got it repaired for 460. 300 for the part 160 to install. you can try to adjust the voltage settings behind the speaker screen and see if that clears the problem. if not its you blue crt.

pridah

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